My father asked “How I did this”.
My father asked “How I did this”.
My father asked “How I had done that”.
My father asked “How I had done that”.
My father asked, “How I had do that?”
My father asked, “How I had do that?”
My father asked, “How did you do this?”
My father asked, “How did you do this?”
Correct Answer:
My father asked, “How did you do this?”
My father asked, “How did you do this?”